Home / 29,306.42-40,442.72-15,877.63

Finding the Fourth Proportional to 29,306.42, 40,442.72 and 15,877.63

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Solution

The fourth proportional to 29,306.42, 40,442.72 and 15,877.63 is: 21,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,306.42 : 40,442.72 = 15,877.63 : x
  2. Step 2: Convert to fraction form
    29,306.42/40,442.72 = 15,877.63/x
  3. Step 3: Cross multiply
    29,306.42x = 40,442.72 × 15,877.63
  4. Step 4: Simplify right side
    29,306.42x = 642,134,544.35
  5. Step 5: Solve for x
    x = 642,134,544.35/29,306.42
  6. Step 6: Final answer
    x = 21,911.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.